"We are all forever grateful for the service and sacrifice of the men and women of the United States Secret Service, some of the greatest and bravest people in the country. We are sorry for your loss and are grieving with you," she said.

Meanwhile, President Trump took the opportunity to praise the men and women of the Secret Service.

"The incredible men and women of the United States Secret Service travel wherever they are needed around the world, spend long periods of time away from their families, and make tremendous sacrifices for our safety and security," he said.

"They make up the most elite protective agency in the world," the president continued, "universally admired for their extraordinary skill, devotion, and courage. We are forever in their debt."